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230985384712 = 23257160769911
BaseRepresentation
bin1101011100011111001…
…1010100001100001000
3211002012202202022120121
43113013303110030020
512241024224302322
6254040242233024
722455014242405
oct3270763241410
9732182668517
10230985384712
1189a62256365
1238924655774
1318a218a4c44
14b2733512ac
15601d843ec7
hex35c7cd4308

230985384712 has 32 divisors (see below), whose sum is σ = 435059579520. Its totient is φ = 114970071040.

The previous prime is 230985384701. The next prime is 230985384713. The reversal of 230985384712 is 217483589032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230985384712.

It is not an unprimeable number, because it can be changed into a prime (230985384713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269037 + ... + 3338947.

It is an arithmetic number, because the mean of its divisors is an integer number (13595611860).

Almost surely, 2230985384712 is an apocalyptic number.

It is an amenable number.

230985384712 is a deficient number, since it is larger than the sum of its proper divisors (204074194808).

230985384712 is a wasteful number, since it uses less digits than its factorization.

230985384712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71781 (or 71777 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 230985384712 in words is "two hundred thirty billion, nine hundred eighty-five million, three hundred eighty-four thousand, seven hundred twelve".

Divisors: 1 2 4 8 257 514 1028 1607 2056 3214 6428 12856 69911 139822 279644 412999 559288 825998 1651996 3303992 17967127 35934254 71868508 112346977 143737016 224693954 449387908 898775816 28873173089 57746346178 115492692356 230985384712